4-(2-Hydroxyethyl)-1-piperazinepropanesulfonic Acid [Goods buffer component for biological research] size:25 GM 40% SULFATE AND SULFITE (as

40% SULFATE AND SULFITE (as SO[@4@]) 0

2 146 WATER DETERMINATION 5

00% PENTAVALENT VANADIUM 0

10% ELEMENTAL IMPURITIES: LEAD (Pb) AS REPORTED AS REPORTED CADMIUM (Cd) AS REPORTED AS REPORTED ARSENIC (As) AS REPORTED AS REPORTED MERCURY (Hg) AS REPORTED AS REPORTED IDENTIFICATION A TO PASS TEST IDENTIFICATION B TO PASS TEST CERTIFIED KOSHER CERTIFIED HALAL RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

Test Specification Min Max ASSAY (w/w) 30 - 32% 30 - 32% ALUMINUM 50 ppt ANTIMONY (Sb) 10 ppt ARSENIC (As) 100 ppt BARIUM (Ba) 10 ppt BERYLLIUM (BE) 10 ppt BISMUTH 10 ppt BORON 100 ppt CADMIUM (Cd) 10 ppt CALCIUM (Ca) 100 ppt CERIUM 1 ppt CESIUM 1 ppt CHROMIUM (Cr) 10 ppt COBALT (Co) 10 ppt COPPER (Cu) 10 ppt DYSPROSIUM 1 ppt ERBIUM 1 ppt EUROPIUM 1 ppt GADOLINIUM 1 ppt GALLIUM (Ga) 10 ppt GERMANIUM 10 ppt GOLD 10 ppt HAFNIUM 1 ppt HOLMIUM 1 ppt INDIUM 1 ppt IRON (Fe) 20 ppt LANTHANUM 1 ppt LEAD (Pb) 10 ppt LITHIUM 10 ppt LUTETIUM 1 ppt MAGNESIUM (Mg) 20 ppt MANGANESE (Mn) 10 ppt MERCURY (Hg) 50 ppt MOLYBDENUM (Mo) 10 ppt NEODYMIUM 1 ppt NICKEL (Ni) 20 ppt NIOBIUM 10 ppt PALLADIUM 10 ppt POTASSIUM (K) 20 ppt PRASEODYMIUM 1 ppt RHENIUM 10 ppt RHODIUM (Rh) 10 ppt RUBIDIUM (Rb) 10 ppt RUTHENIUM 10 ppt SAMARIUM 1 ppt SCANDIUM 10 ppt SELENIUM (Se) 100 ppt SILVER (Ag) 10 ppt SODIUM (Na) 50 ppt STRONTIUM (Sr) 10 ppt TANTALUM 10 ppt TELLURIUM 1 ppt TERBIUM 1 ppt THALLIUM (Tl) 1 ppt THORIUM 1 ppt THULIUM 1 ppt TIN (Sn) 50 ppt TITANIUM (Ti) 20 ppt TUNGSTEN 20 ppt URANIUM 1 ppt VANADIUM (V) 10 ppt YTTERBIUM 1 ppt YTTRIUM 1 ppt ZINC (Zn) 50 ppt ZIRCONIUM (ZR) 10 ppt EXPIRATION DATE

4-(2-Hydroxyethyl)-1-piperazinepropanesulfonic Acid [Goods buffer component for biological research] size:25 GM 40% SULFATE AND SULFITE (as